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Diffstat (limited to 'src/tools/clippy/src/docs/no_effect_underscore_binding.txt')
| -rw-r--r-- | src/tools/clippy/src/docs/no_effect_underscore_binding.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/no_effect_underscore_binding.txt b/src/tools/clippy/src/docs/no_effect_underscore_binding.txt new file mode 100644 index 000000000..972f60dd0 --- /dev/null +++ b/src/tools/clippy/src/docs/no_effect_underscore_binding.txt @@ -0,0 +1,16 @@ +### What it does +Checks for binding to underscore prefixed variable without side-effects. + +### Why is this bad? +Unlike dead code, these bindings are actually +executed. However, as they have no effect and shouldn't be used further on, all they +do is make the code less readable. + +### Known problems +Further usage of this variable is not checked, which can lead to false positives if it is +used later in the code. + +### Example +``` +let _i_serve_no_purpose = 1; +```
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